402230016 has 72 divisors (see below), whose sum is σ = 1189485360. Its totient is φ = 134074368.

The previous prime is 402230009. The next prime is 402230033. The reversal of 402230016 is 610032204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22185 + ... + 36008.

It is an arithmetic number, because the mean of its divisors is an integer number (16520630).

Almost surely, 2^402230016 is an apocalyptic number.

It is an amenable number.

402230016 is an abundant number, since it is smaller than the sum of its proper divisors (787255344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402230016 is an equidigital number, since it uses as much as digits as its factorization.

402230016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58218 (or 58198 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 402230016 is about 20055.6729131685. The cubic root of 402230016 is about 738.1730045856.

The spelling of 402230016 in words is "four hundred two million, two hundred thirty thousand, sixteen".